Ticker: NGS CUSIP: 63886Q109 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 24,393 | $1 | $29.70 | $25.36 - $34.47 |
| Q3 2025 | 23,476 | $1 | $25.41 | $22.48 - $28.73 |
| Q2 2025 | 8,946 | $0 | $22.21 | $16.55 - $27.54 |
| Q4 2024 | 30,391 | $1 | $23.22 | $18.21 - $28.20 |
| Q3 2024 | 33,173 | $1 | $19.78 | $16.52 - $22.59 |
| Q2 2024 | 10,387 | $0 | $21.72 | $17.81 - $24.97 |
| Q4 2023 | 42,668 | $1 | $14.30 | $12.61 - $16.27 |
| Q3 2023 | 24,567 | $0 | $10.78 | $9.52 - $15.23 |
| Q2 2023 | 2,574 | $0 | $10.23 | $9.45 - $11.09 |
| Q1 2023 | 27,593 | $0 | $10.89 | $9.31 - $12.54 |
| Q4 2022 | 30,099 | $0 | $10.80 | $9.88 - $12.25 |
| Q3 2022 | 8,307 | $82 | $10.16 | $9.01 - $12.32 |
| Q2 2022 | 14,772 | $163 | $12.63 | $10.83 - $14.84 |
| Q1 2022 | 3,460 | $40 | $11.42 | $9.74 - $13.89 |
| Q2 2021 | 3,573 | $37 | $9.89 | $8.77 - $11.52 |
| Q1 2021 | 8,908 | $84 | $9.42 | $7.92 - $10.65 |
| Q4 2016 | 1,689 | $54 | $27.19 | $20.43 - $34.13 |
| Q3 2016 | 2,351 | $58 | $24.06 | $21.50 - $26.46 |
| Q1 2016 | 1,319 | $29 | $18.82 | $15.79 - $22.57 |
| Q4 2015 | 2,260 | $50 | $21.48 | $18.28 - $24.21 |
| Q3 2015 | 2,260 | $44 | $20.31 | $18.37 - $22.64 |
| Q1 2014 | 16,448 | $496 | $29.49 | $25.23 - $34.59 |
| Q4 2013 | 19,974 | $550 | $27.72 | $24.44 - $30.62 |
| Q3 2013 | 34,984 | $938 | $25.86 | $23.52 - $27.95 |